At a celebratory event for the coming Broadway show, Alexander Hamilton biographer Ron Chernow was critical of the Treasury Department for planning to give the Founding Father less prominence on the $10 bill.

The historian Ron Chernow has won the annual American History Book Prize for his biography ''Washington,'' the New-York Historical Society announced on Thursday. Roger Hertog, chairman of the society's board, said the book, published by Penguin...